Tempest Aurora (Yellow)

The next card you play this turn with cost 1 or less and an arcane damage effect, instead deals that much arcane damage plus 1.

Go again

Rulings

From the Dynasty release notes

If you play a card that does not have the specified cost, or does not have an arcane damage effect, it does not consume the effect.
Cards with costs that include X, are considered to have the cost determined by the player that plays it. E.g. If the card has cost X, and player declares X=2 when playing the card, the card is considered to have cost 2 for the purposes of this effect.

Keyword notes

Go again - Go again allows multiple actions to be played in a turn when usually playing an action with use up your action point, and therefore end your turn. A card with go again gives the controller of that card or activated ability 1 action point when it resolves.

When an action with go again resolves, its controller gains 1 action point.
Multiple instances of go again on the same card or activated ability do not stack. If a card or activated ability has multiple instances of go again when it resolves its controller gains 1 action point only.
If an action with go again does not resolve, its controller does not gain 1 action point.
You cannot reveal a card with no to Belittle. The card must have a value to its power that is 3 or less. (0 is a value)